Table 7.
Missing data: patient characteristics by primary and revision total hip replacement (THR). Values are count (%) unless otherwise specified
| Primary THR n = 93,073 | Revision THR n = 9,537 | |
|---|---|---|
| Sex | ||
| Female | 52,544 (56) | 4,192 (55) |
| Male | 40,529 (44) | 3,474 (45) |
| Age in years, mean (SD) | 70 (10) | 66 (11) |
| Age groups | ||
| < 46 | 1,566 (2) | 292 (4) |
| 46-55 | 7,525 (8) | 1,042 (13) |
| 56-65 | 22,347 (24) | 2,307 (30) |
| 66-75 | 36,430 (39) | 2,666 (35) |
| > 75 | 25,205 (27) | 1,359 (18) |
| Charlson comorbidity score | ||
| Low | 73,048 (79) | 6,441 (68) |
| Medium | 16,883 (18) | 2,426 (25) |
| High | 3,142 (3) | 670 (7) |
| Educational level | ||
| Low | 36,245 (42) | 3,963 (45) |
| Medium | 35,214 (40) | 3,496 (39) |
| High | 15,697 (18) | 1,395 (16) |
| Cohabiting status | ||
| Alone | 31,139 (33) | 3,737 (40) |
| Cohabiting | 55,765 (60) | 5,062 (54) |
| Other | 6,169 (7) | 556 (6) |
| Family wealth | ||
| Low | 30,289 (33) | 3,844 (41) |
| Medium | 31,234 (33) | 2,899 (31) |
| High | 31,520 (34) | 2,612 (28) |